People should feel free to correct my arithmetic because it's often wrong; 90 right? Two-thirds of 90, whoops, what do I need, start again.

我要是算错了要提醒我,我总算错,90对吧,90的2/3,我说错了

耶鲁公开课 - 博弈论课程节选

Okay these--you guys are all right, everything that I heard was a correct answer.

很好 这些原因--你们说的都很对,我听到的每一个答案都是正确答案

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选